Column depth measuring guide



FIG. 1 is a perspective view of the column depth measuring guide;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a rear plan view thereof;

FIG. 4 is a front plan view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines are included for the purpose of depicting portions of the column depth measuring guide that form no part of the claimed design. 

CLAIM The ornamental design for a column depth measuring guide, as shown and described. 